Upgrade `softprops/action-gh-release` GitHub Action from 1 to 2 version (#1449)

.github/workflows/docker.yml

@@ -281,7 +281,7 @@ jobs:
         working-directory: docker/coturn/
 
       - name: Create GitHub release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
           name: docker/${{ steps.semver.outputs.group1 }}
           body: |